stm32 alt pin functions

[brave-ulysses]

wanted another view of alt pin definitions
works ok on linux, could stand some polish
run from boards directory

sample output

cat h723_uart4
UART4_CTS PB0 PB15 PI2
UART4_RTS PA15 PB14 PI1 PI2 PI3 PI6
UART4_RX PA1 PA11 PB8 PC11 PD0 PH14 PI2 PI3 PI9
UART4_TX PA0 PA12 PB9 PC10 PD1 PH13 PI2 PI3

#!/bin/bash
set +x

chips=`ls *af.csv`

echo $chips

chip=
while [ "x${chip}" == "x" ]; do
read -p "select chip: " ch
ret=`ls *af.csv | grep -c $ch`
if [ "$ret" == '1' ]
then chip=`ls *af.csv | grep $ch | sed -e 's/stm32//' -e 's/_af.*$//'`
break
fi
done

echo chip = $chip


types='spi i2c i2s uart usart can tim'
ports=`grep -o "P.[0-9]\{1,2\}" *${chip}*csv | sed -e 's/^P//' -e 's/[0-9]*$//' | sort | uniq | tr '\n' ' ' | sed 's/ $//'`

for _type in $types
do
# get signal names from *<chip>*af.csv file
nm=`echo $_type | tr 'a-z' 'A-Z'`
var=${_type}_sig
val=`grep -o "${nm}[0-9]_[^\,]*" *${chip}*csv | sed 's/^.*_//' | sort -V | uniq | tr '\n' ' ' | sed 's/ $//'`
eval $var=`echo \"$val\"`
eval echo $var \${$var}

# get bus numbers from *<chip>*af.csv file
var=${_type}_buses
val=`grep -o "${nm}[0-9]_[^\,]*" *${chip}*csv | sed -e "s/${nm}//" -e s'/_.*$//' | sort | uniq | tr '\n' ' ' | sed 's/ $//'`
eval $var=`echo \"$val\"`
eval echo $var \${$var}

echo''
done

# handle quadspi and fmc separately
quadspi_sig=`grep -o "QUADSPI_[^\,]*" *${chip}*csv | sed 's/^.*_//' | sort -V | uniq | tr '\n' ' ' | sed 's/ $//'` ; echo quadspi_sig $quadspi_sig
quadspi_buses=`grep -o "QUADSPI_[^\,]*" *${chip}*csv | sed -e 's/QUADSPI//' -e 's/_[^_]*$//' | sort | uniq | tr '\n' ' ' | sed 's/ $//'` ; quadspi_buses=". $quadspi_buses"; echo -n "quadspi_buses"; for bus in ${quadspi_buses}; do echo -n " <${bus}>"; done

fmc_sig=`grep -o "FMC_[^/\,]*" *${chip}*csv | tr '/' '\n' | sed 's/^.*_//' | sort -V | uniq | tr '\n' ' ' | sed 's/ $//'`      ; echo fmc_sig $fmc_sig
fmc_buses='.'



types="${types} quadspi fmc"

# just for testing
# types='fmc'



for _type in $types
do

 # get signals for bus type
 list=${_type}_sig
 echo list=$list
 signals=`eval echo \\${$list}`
 echo signals=$signals

 # create list of buses 
 list=${_type}_buses
 echo list=$list
 buses=`eval echo \\${$list}`
 echo buses=$buses
 
 
 for bus in $buses
 do
  bus=`echo $bus | tr -d '.'`
  bname=`echo ${_type}${bus} | tr 'A-Z' 'a-z'`
  fname=${chip}_${bname}
  echo bus $bus    bname $bname    fname $fname
  echo -e "\n\n$fname"
  # create output file
  echo -n '' > ${fname}

  for _sig in $signals
   do
   signal=`echo ${bname}_${_sig} | tr 'a-z' 'A-Z'`
   echo -n "looking for ${signal},  "
   fnd=`find . -type f | grep -i -e ${chip} | xargs grep --color=always -i ${signal}[,/] | grep -o "P[${ports}][0-9]\{1,2\}" | sort | uniq | tr "\n" " "`
   c=`echo $fnd | grep -c .`
   echo found $c $fnd
   
   # if entry found add to file
   if [ $c -ne 0 ]; then
   echo -ne "${signal} " >> ${fname}
   echo $fnd >> ${fname}
   fi
   
  done
 done
done